NORTH STAR MACH & DRILLING TOOLS CO LTD, an exporter of drilling equipment, replacement parts and rod accessories, repeatedly ships medium‑size loads (30‑65 k kg, 2‑6 TEU) from Pusan, China to New Orleans, LA, almost exclusively to HUNTING ENERGY SERVICES LLC, indicating a focused, high‑frequency partnership with consistent order cadence across 2021. For buyers, the company demonstrates reliable supply of niche drilling components (HS 843143, 843140) with a stable product mix and a clear demand signal from a single large U.S. customer, suggesting potential scalability for other North‑American drill‑tool operators seeking a proven, single‑source vendor. For customs brokers, shipments are routed through a single origin and destination port, use a limited set of well‑defined HS codes and maintain regular documentation patterns, enabling predictable clearance processes and reduced risk of classification disputes; the repeated use of Pusan loading and New Orleans unloading further supports efficient customs planning and streamlined cargo handling.